Suarayasa, Ketut, Muh. Syafar, Nurhaedar Jafar, and Masni Masni. 2017. “Implementation of Antenatal Care Standard in Coastal Area of Palu City”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 34 (2):287-98. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7706.